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Finding the Fourth Proportional to 56,598.75, 78,159.74 and 36,491.72

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Solution

The fourth proportional to 56,598.75, 78,159.74 and 36,491.72 is: 50,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,598.75 : 78,159.74 = 36,491.72 : x
  2. Step 2: Convert to fraction form
    56,598.75/78,159.74 = 36,491.72/x
  3. Step 3: Cross multiply
    56,598.75x = 78,159.74 × 36,491.72
  4. Step 4: Simplify right side
    56,598.75x = 2,852,182,774.10
  5. Step 5: Solve for x
    x = 2,852,182,774.10/56,598.75
  6. Step 6: Final answer
    x = 50,393.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.